National Institute of Standards and Technology (NIST) is the federal technology agency that works with industry to develop and apply technology, measurements, and standards.
NIST Special Publication 800-73-3 Interfaces for Personal Identity Verification. SP800-73-3 defines the technical specification for implementing PIV on smart cards.
NIST Special Publication 800-53 Security and Privacy Controls for Federal Information Systems and Organizations. SP800-53 defines security and privacy controls for organisations to implement, to strengthen information systems and the environments they operate in.